<template>
  <div>
    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
<!--      <el-input style="width: 200px" placeholder="请输入" suffix-icon="el-icon-message" class="ml-5" v-model="email"></el-input>-->
<!--      <el-input style="width: 200px" placeholder="请输入" suffix-icon="el-icon-position" class="ml-5" v-model="address"></el-input>-->
      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='我再想想'
          icon="el-icon-info"
          icon-color="red"
          title="您确定批量删除这些数据吗？"
          @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
      <!-- <el-upload action="http://localhost:9090/bookings/import" :show-file-list="false" accept="xlsx" :on-success="handleExcelImportSuccess" style="display: inline-block">
        <el-button type="primary" class="ml-5">导入 <i class="el-icon-bottom"></i></el-button>
      </el-upload>
      <el-button type="primary" @click="exp" class="ml-5">导出 <i class="el-icon-top"></i></el-button> -->
    </div>

    <el-table :data="tableData" border stripe :header-cell-class-name="'headerBg'"  @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="ID" width="80" sortable></el-table-column>
      <el-table-column prop="contactName" label="联系人姓名"></el-table-column>
      <el-table-column prop="contactPhone" label="联系人电话"></el-table-column>
      <el-table-column prop="days" label="入住天数"></el-table-column>
      <el-table-column prop="endDate" label="退房日期"></el-table-column>
      <el-table-column prop="guestCount" label="入住人数"></el-table-column>
      <el-table-column prop="homestayName" label="民宿名称"></el-table-column>
      <el-table-column prop="notes" label="备注"></el-table-column>
      <el-table-column prop="startDate" label="入住日期"></el-table-column>
      <el-table-column prop="status" label="状态：待支付、已确认、已完成、已取消预订" width="130px">
      <template slot-scope="scope">
        <el-button :type="getStatusType(scope.row.status)" plain>
          {{ scope.row.status }}
        </el-button>
      </template>
    </el-table-column>
      <el-table-column prop="time" label="创建时间"></el-table-column>
      <el-table-column prop="totalPrice" label="总价"></el-table-column>
      <el-table-column prop="userId" label="用户ID"></el-table-column>

      <el-table-column label="操作" width="280" align="center">
        <template slot-scope="scope">
          <!-- 管理员-同意入住按钮 -->
          <el-button type="success" v-if="isAdmin && scope.row.status === '已确认'"
            @click="approveBooking(scope.row)">
            同意入住
          </el-button>
          
          <!-- 管理员-同意退款按钮 -->
          <el-button type="warning" v-if="isAdmin && scope.row.status === '已取消预订'"
            @click="approveRefund(scope.row)">
            同意退款
          </el-button>
          
          <!-- 管理员-查看密码按钮 -->
          <el-button type="primary" v-if="isAdmin && scope.row.status === '已确认' && scope.row.password"
            @click="viewPassword(scope.row)">
            查看密码
          </el-button>
          
          <!-- 用户-查看密码按钮 -->
          <el-button type="info" v-if="!isAdmin && scope.row.status === '已确认' && scope.row.password"
            @click="viewPassword(scope.row)">
            查看密码
          </el-button>

          <!-- 删除按钮 -->
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='我再想想'
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-sizes="[2, 5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </div>

    <el-dialog title="信息" :visible.sync="dialogFormVisible" width="40%" :close-on-click-modal="false">
      <el-form label-width="120px" size="small" style="width: 80%; margin: 0 auto">
        <el-form-item prop="contactName" label="联系人姓名">
          <el-input v-model="form.contactName" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item prop="contactPhone" label="联系人电话">
          <el-input v-model="form.contactPhone" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item prop="days" label="入住天数">
          <el-input v-model="form.days" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item prop="endDate" label="退房日期">
          <el-date-picker v-model="form.endDate" type="datetime" value-format="yyyy-MM-dd HH:mm:ss" placeholder="选择日期"></el-date-picker>
        </el-form-item>
        <el-form-item prop="guestCount" label="入住人数">
          <el-input v-model="form.guestCount" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item prop="homestayId" label="民宿">
          <el-select v-model="form.homestayId" placeholder="请选择民宿" filterable>
            <el-option
              v-for="item in homestaysList"
              :key="item.id"
              :label="item.name"
              :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item prop="notes" label="备注">
          <el-input v-model="form.notes" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item prop="startDate" label="入住日期">
          <el-date-picker v-model="form.startDate" type="datetime" value-format="yyyy-MM-dd HH:mm:ss" placeholder="选择日期"></el-date-picker>
        </el-form-item>
        <el-form-item prop="status" label="状态：待支付、已确认、已完成、已取消预订">
          <el-input v-model="form.status" autocomplete="off" ></el-input>
        </el-form-item>

        <el-form-item prop="totalPrice" label="总价">
          <el-input v-model="form.totalPrice" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item prop="userId" label="用户ID">
          <el-input v-model="form.userId" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "Bookings",
  data() {
    return {
      tableData: [
        { id: 1, status: '待支付' },
        { id: 2, status: '已确认' },
        { id: 3, status: '已完成' },
        { id: 4, status: '已取消预订' }
      ],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      name: "",
      form: {},
      dialogFormVisible: false,
      multipleSelection: [],
      user: localStorage.getItem("user") ? JSON.parse(localStorage.getItem("user")) : {},
      isAdmin: false,
      homestaysList: [],
    }
  },
  created() {
    this.load()
    this.isAdmin = this.user.role === 'ROLE_ADMIN' || this.user.role === 'Super_Administrator'
    this.fetchHomestays()
  },
  methods: {
    fetchHomestays() {
      this.request.get("/homestays/list").then(res => {
        if (res.code === '200') {
          this.homestaysList = res.data
        }
      })
    },
    getStatusType(status) {
      const statusMap = {
        '待支付': 'warning',
        '已确认': 'success',
        '已完成': 'info',
        '已取消预订': 'danger',
         '已同意退款': 'success'
      };
      return statusMap[status] || '';
    },
    load() {
      // 获取当前用户角色
      let role = this.user.role
      let params = {
        pageNum: this.pageNum,
        pageSize: this.pageSize,
        name : this.name
      }
      // 如果不是管理员,则只显示当前用户的收藏
      if (role !== 'ROLE_ADMIN' && role !== 'Super_Administrator') {
        params.userId = this.user.id
      }else{
        params.userId = null
      }
      this.request.get("/bookings/page", {
        params: params
      }).then(res => {
        this.tableData = res.data.records
        this.total = res.data.total
        
        // 将民宿ID转换为名称显示
        if (this.tableData && this.tableData.length > 0) {
          this.tableData.forEach(item => {
            // 查找对应的民宿名称
            const homestay = this.homestaysList.find(h => h.id === item.homestayId)
            if (homestay) {
              item.homestayName = homestay.name
            } else {
              item.homestayName = '未知民宿(' + item.homestayId + ')'
            }
          })
        }
      })
    },
    
    save() {
      this.request.post("/bookings", this.form).then(res => {
        if (res.code === '200') {
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("保存失败")
        }
      })
    },
    handleAdd() {
      this.dialogFormVisible = true
      this.form = {}
      this.$nextTick(() => {
        if(this.$refs.img) {
           this.$refs.img.clearFiles();
         }
         if(this.$refs.file) {
          this.$refs.file.clearFiles();
         }
      })
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogFormVisible = true
       this.$nextTick(() => {
         if(this.$refs.img) {
           this.$refs.img.clearFiles();
         }
         if(this.$refs.file) {
          this.$refs.file.clearFiles();
         }
       })
    },
    del(id) {
      this.request.delete("/bookings/" + id).then(res => {
        if (res.code === '200') {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    handleSelectionChange(val) {
      console.log(val)
      this.multipleSelection = val
    },
    delBatch() {
      if (!this.multipleSelection.length) {
        this.$message.error("请选择需要删除的数据")
        return
      }
      let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
      this.request.post("/bookings/del/batch", ids).then(res => {
        if (res.code === '200') {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },
    reset() {
      this.name = ""
      this.load()
    },
    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    },
    handleFileUploadSuccess(res) {
      this.form.file = res
    },
    handleImgUploadSuccess(res) {
      this.form.img = res
    },
    download(url) {
      window.open(url)
    },
    exp() {
      window.open("http://localhost:9090/bookings/export")
    },
    handleExcelImportSuccess() {
      this.$message.success("导入成功")
      this.load()
    },
    // 管理员同意入住
    approveBooking(row) {
      this.request.post("/bookings/approve/" + row.id).then(res => {
        if (res.code === '200') {
          this.$message.success("已同意入住，密码已生成")
          this.load()
        } else {
          this.$message.error("操作失败")
        }
      })
    },

    // 管理员同意退款
    approveRefund(row) {
      this.request.post("/api/bookings/refund/" + row.id).then(res => {
        if (res.code === '200') {
          this.$message.success("已同意退款")
          this.load()
        } else {
          this.$message.error("退款操作失败")
        }
      })
    },

    // 查看密码
    viewPassword(row) {
      this.request.get("/bookings/view/" + row.id).then(res => {
        if (res.code === '200') {
          this.$alert(res.data, '到房卡柜中输入密码领房卡', {
            confirmButtonText: '确定'
          });
        } else {
          this.$message.error("获取密码失败")
        }
      })
    },
  }
}
</script>


<style>
.headerBg {
  background: #eee!important;
}
</style>
